| 1974 | Waterworks Museum established as a charitable trust |
| 1984 | Restructured as a company limited by guarantee and registered charity |
| 1992 | Tangye House opened (the former Leominster water pumping station) |
| 1999 | Museum starts to open every Tuesday (with weekly gathering of Volunteers) |
| 1999 | Museum celebrates silver anniversary |
| 2000 | English Heritage put main building on register of ‘listed buildings at risk’, which required a major work on the roof and chimneystack |
| 2001 | Trustees announce plans to refurbish the listed building and build a new Visitor Centre, new engine exhibition space and an engineers’ workshop |
| 2002 | Go ahead for new build project confirmed |
| 2003 | Museum closed for two years for Listed Building refurbishment (2003-2005) |
| 2004 | Funding for new build project and Rotherwas Building project confirmed |
| 2005 | Offered the Blackstone engine and relics from Rotherwas Munitions Factory |
| 2006 | Leased additional land for Rotherwas Building |
| 2006 | Visitor Centre (Easthall), Southall Engine Gallery and Engineers Workshop formally opened |
| 2007 | Rotherwas Building opened + Hereford’s only permanent exhibition to WWII |
| 2007 | Accredited Museum status attained |
| 2010 | Water on Tap exhibition opened |
| 2010 | Concept for a Heritage Water Park announced + additional land leased |
| 2011 | Planning permission confirmed for Heritage Water Park |
| 2011 | Museum starts is programme of children’s events in the school holidays |
| 2012 | Funding confirmed for Heritage Water Park |
| 2014 | Museum celebrates 40th anniversary |
| 2015 | Heritage Water Park opened |
| 2016 | Waterworks Museum launched Stirling Engine bicentenary with a new display |
| 2017 | Massington Lineshaft Display opened (phase 2 opened in 2018) |
| 2018 | Opening of The Old Workshop |
| 2018 | Museum’s Triple Expansion Steam Engine receives Engineering Heritage Award |
| 2019 | Royal Visit by HRH The Duke of Gloucester |
| 2020 | Museum closed for the first time since the rebuild project in 2002-2005 (Coronavirus) |
| 2024 | We are already planning for the 50th anniversary of the Waterworks Museum |
